Data Connect IG202T Manual de usuario

DATA CONNECT ENTERPRISE

User’s Manual

IG202T and IGV23 Modem

Document Number 520-01005-001 Rev. A

DATA CONNECT

iii User’s Manual - SM202T/SMV23 Modem

Contents

Contents .................................................................................................................. iii

Figures..................................................................................................................... iv

Chapter 1 Introduction ............................................................................................ 5

Features ......................................................................................................................6

Applications ................................................................................................................. 7

Chapter 2 Installation .............................................................................................. 8

Unpacking Your Hardware ..........................................................................................8

Additional Items You Need to Complete Your Installation........................................... 8

Hardware Overview.....................................................................................................9

Front View ...................................................................................................................9

Back View....................................................................................................................9

Rack-Mount View ......................................................................................................10

Installation Summary.................................................................................................10

Configuring the Modem .............................................................................................11

Setting the DIP Switches...........................................................................................13

SW1-1 Auto RTS .............................................................................................. 14

SW1-2 RTS-CTS Delay (Bell 202 Mode Only) ................................................. 14

SW1-3 Transmit Carrier Control .......................................................................14

SW1-4 – Soft Carrier Control............................................................................... 15

SW1-5 Anti-streaming ...................................................................................... 15

SW1-6 2-Wire or 4-Wire Operation ..................................................................15

SW1-7 Transmitter Termination Impedance..................................................... 15

SW1-8 Receiver Termination Impedance......................................................... 16

JP1 Transmit Level...........................................................................................16

JP2 RS-232 or RS-485 Serial Interface (Standalone Only)............................. 17

For Rack-Mount Plug-in Modules ........................................................................ 17

Connecting to a Transmission Line ........................................................................... 18

Connecting to a Voltage Source................................................................................ 19

Connecting to an RS-232 Device .............................................................................. 20

Connecting to an RS-485 Device .............................................................................. 20

LEDs.......................................................................................................................... 21

Loopback Control Switch...........................................................................................21

Problem Solving ........................................................................................................23

Contents

iv User’s Manual - SM202T/SMV23 Modem

Figures

Figure 1-1. Point-to-Point Network Using the IG202T/V23 Modem ........................................7

Figure 1-2. Multipoint Polling Network Using the IG202T/V23 Modem................................... 7

Figure 2-1. Front View of the IG202T/V23 Modem .................................................................9

Figure 2-2. Back View of IG202T Modem .............................................................................10

Figure 2-3. Rack-Mount Module for the IG202T-RM Modem Board .....................................10

Figure 2-4. IG202T & IGV23 Stand-alone Modem Board .....................................................12

Figure 2-5. IG202T & IGV23 -mount Modem Board .............................................................13

Figure 2-7. Pin Locations on the Modem’s RJ-11C Jack ......................................................20

Figure 2-8. Loopback Diagnostic Modes...............................................................................22

Figure 2-9. Back-to-Back Connection to a Second Modem ..................................................25

DATA CONNECT ENTERPRISE

5 User’s Manual - SM202T/SMV23 Modem

Chapter 1

Introduction

Thank you for purchasing Data Connect IG202T and IGV23 leased line modem,

the finest industrial-grade modem available. This manual will cover both the standalone

IG202T, a Bell 202 compatible, and the standalone IGV23, an ITU-V23 compatible modems.

The Data Connect IG202T/V23 modem is a 0 to1200 bps modem designed for 4-

wire, full-duplex or 2-wire, half-duplex operation over a voice-band leased line or private line.

The modem is designed utilizing the stand FSK modulation technology to achieve high

performance and low cost.

The IG202T/V23 modem is ideally suited for multi-point communication systems that require

fast response time, short training time, and low throughput delay.

This User’s Guide describes the IG202T/V23 (AC-powered) and IG202T-DC/V23-DC (DC-

powered) stand-alone modems, as well as the rack-mount IG202T-RM plug-in module for

the Motorola/UDS RM16M. This manual is designed to get your modem “up and running” as

quickly as possible. It contains all the information you need to configure and install your

modem. It also contains troubleshooting information in the unlikely event you encounter a

problem with your modem.

Introduction

6 User’s Manual - SM202T/SMV23 Modem

Features

The IG202T/V23 modem is specifically designed for harsh environments typically associated

in utility substations and industrial facilities. Though functionally similar to commercial

modems, the IG202T/V23 provides the following unique features that make it well suited for

utility and industrial applications.

yPackaged in a rugged, compact enclosure for industrial applications.

yLeased-line interface protected with heavy-duty surge protection devices.

yBuilt-in hardware watchdog timer for software lock-up prevention without

requiring human intervention, making it ideal for unmanned locations.

yWorks within an extended temperature range of -40ºC to +85ºC.

yDesigned with coupling transformers for high-voltage isolation and common

mode noise rejection in industrial and commercial environments.

yOperate over voice-band conditioned or unconditioned leased-line and pilot

wires.

yAccepts power from a wide range of AC and DC power supplies:

– IG202T/V23: 90 to 265 VAC or 100 to 400 VDC

– IG202T/V23-DC: 10 to 60 VDC

– IG202T/V23-RM: Plug-in module for the Motorola/UDS RM16M modem nest

yStandard industrial connectors for data, analog, and power interfaces allow

reliable interconnection to other industrial equipment.

yAsynchronous data rates 0-1200 bps.

yEasily accessible DIP switches for user configuration and option selection.

yDB9-F connector for RS-232/V.24 interface, and RJ-11 for RS-485.

yLocal analog, local digital, and remote digital loopback diagnostics.

Introduction

7 User’s Manual - SM202T/SMV23 Modem

Applications

The IG202T/V23 modem is designed for point-to-point and multipoint data communications.

Figure 1-1 shows a typical point-to-point configuration using the IG202T modem and Figure

1-2 shows a typical multipoint configuration using the IG202T modem.

Workstation

Modem Modem

Remote Terminal

Figure 1-1. Point-to-Point Network Using the IG202T/V23 Modem

Workstation

Modem

Remote Terminal

Figure 1-2. Multipoint Polling Network Using the IG202T/V23 Modem

There are a number of factors that can affect the modem’s operation and performance.

These include:

yModem speed (i.e. bit error rate, transmission line distance)

y2-wire or 4-wire configuration

yTransmission line characteristics, noise, and line impairments

yTransmission cable length (pilot wire)

yNetwork configuration (point-to-point or multipoint)

DATA CONNECT ENTERPRISE

8 User’s Manual - SM202T/SMV23 Modem

Chapter 2

Installation

This chapter describes how to configure and install the modem to maximize the performance

and to match with your Data Terminal Equipment (DTE) or Remote Terminal Unit (RTU).

Unpacking Your Hardware

Your package should include:

yAt least one of the following IG202T or IGV23 modems:

– Model IG202T or IGV23 for 90 to 265 VAC or 100 to 400 VDC

–Model IG202T-DC or IGV23-DC for 10 to 60 VDC

– Model IG202T-RM or IGV23-RM for RM16M plug-in module

yA switching power supply module for 90-265VAC input (model IG202T or IGV23

only)

yA leased-line cable with optional earth ground conductor (for stand-alone units

only)

yA DC power cable (model IG202T-DC or IGV23 modem only)

yThis User’s Manual or CD-ROM

If your package contents are damaged or missing, contact your place of purchase.

Additional Items You Need to Complete Your Installation

To complete your installation and operate your modem, you need these additional items:

yTwo- or four-wire transmission line or leased line

yA DB-9 data cable for your RS-232 interface Data Terminal Equipment (DTE)

port, or a RJ-11C data cable for your RS-485 DTE.

yPower supply that provides either:

– 90 to 265 Volts AC, 50 to 60 Hz, single phase or 100 to 400 VDC (if you have

the model IG202T/V23 modem), or

– 10 to 60 Volts DC (if you have the model IG202T-DC modem)

Installation

9 User’s Manual - SM202T/SMV23 Modem

– For the IG202T-RM, consult the documentation for your Motorola/UDS

RM16M

Hardware Overview

Front View

Figure 2-1 shows the front view of the IG202T/V23 stand-alone modem. Starting from the

left side, this view shows:

yA set of eight LEDs for modem interface status (see Table 2-4 on page 21)

yA loopback control push-button switch (see Loopback Control Switch on page 21)

Figure 2-1. Front View of the IG202T/V23 Modem

Back View

Figure 2-2 shows the back view of the IG202T stand-alone modem. Starting from the left

side, this view shows:

yA 4-wire/2-wire configuration block labeled LEASED LINE

yAn RJ-11 modular jack labeled RS-485 for connecting the modem to an RS-485

RTU

yA female, 9-pin RS-232 connector labeled RS-232 for connecting the modem to a

standard DTE (RTU)

yA power connector labeled 10-48V DC

Installation

10 User’s Manual - SM202T/SMV23 Modem

Figure 2-2. Back View of IG202T Modem

Rack-Mount View

Figure 2-3 shows the rack-mount plug-in module.

Figure 2-3. Rack-Mount Module for the IG202T-RM Modem Board

Installation Summary

This section describes the steps for installing the modem.

Installation

11 User’s Manual - SM202T/SMV23 Modem

NOTE: It is important to follow the steps below to configure the modem’s DIP

switches to match your DTE/RTU interface requirement and the transmission

line characteristics. If you are not certain about your system’s parameters or

the leased-line configuration, please contact your network administrator for

assistance.

1. Configure the modem using the DIP switches and jumpers. See pages 13 .

2. Connect to a transmission line. See page 18.

3. Connect to a voltage source. See page 19.

4. Connect a DTE device. See page 20.

Configuring the Modem

You configure the modem using the 8-position DIP switch and two sets of configuration

jumpers on the printed circuit board of the modem labeled S1,JP1 and JP2.

Configuration DIP switches S1 for the stand-alone and rack-mount modems are identical.

Their descriptions in this user’s manual apply to both modem versions. Configuration jumper

JP1 for the standalone and rack-mount modem card is used to select transmit output level.

It is important to follow the steps described below, in the order shown, to ensure that you

configure your modem properly using the modem DIP switches:

1. Use DIP switch 1 (S1) to configure the modem for your host DTE interface and

network topology. Using S1, you select the modem’s serial port to match your

host computer or RTU devices, and other DTE specific operating parameters.

2. Use Jumper (JP1) to select the modem’s transmitter output level to match your

specific leased line conditions. The JP2 is used only in the standalone modem for

selecting either RS-232 or RS-485 interface.

3. After you change the DIP switch settings, recycle power to the modem to have

the settings take effect.

NOTE: The DIP switch settings will not take effect until you recycle power to the

modem.

To access the configuration DIP switches and jumpers on the stand-alone modem:

1. Ground yourself to discharge any ESD, which might cause damage to the

sensitive devices on the modem board.

2. Use a small Philips screw driver to remove the two screws at the bottom of the

enclosure and remove the top cover. The location of the DIP switches and

jumpers for the stand-alone modem are shown in Figure 2-4. For DIP switches

and jumpers on the rack-mount plug-in module, see Figure 2-5.

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